The Nature of ThingsOne Ocean: Footprints in the SandJul 22, 2010 | 45:12We take measure of humanity's impact on the sea since we first settled along its coasts over 150,000 years ago. <i>Footprints in the Sand</i> reveals marine protected areas can have a huge impact on an ecosystem's ability to recover.

The Nature of ThingsMysteries of the Deep - TrailerMar 4, 2010 | 0:30Episode Three of our series reveals the Mysteries of the Deep and takes us to the most beguiling parts of the sea, the very depths that we know so little about.